As part of the design process, Marion County is presenting three options for how excavated material from the marinas might be used to build new benefits for the community. These options have been developed taking into consideration several factors including but not limited to:
- Public health and safety
- Views and aesthetics
- Environmental and habitat benefits
- Recreational and access benefits
- Lake navigation
- Cost
- Construction feasibility
Below is an overview of the three alternatives, their concept drawings, and a comparative analysis between the three. We invite you review each and share your feedback on your preferred alternative. We will collect the community’s feedback on these options to develop a preferred alternative to recommend to the Marion County Board of Commissioners.
REVIEW SITE CONCEPTS
The scope of this project is limited to the location of the excavation material. The construction and maintenance of any amenities such as picnic facilities or bathrooms will be decided in a separate process.
Alternative 1
- Peninsula extending southwest of Kane’s Marina
- Approximately 1800’ x 200’
- New vegetated land with highest potential for habitat benefits
- Pedestrian accessibility
- Limited day use area
- New fishing access
- Improved definition of safe boating channels
- Anticipated lowest construction cost and simplest to construct
Alternative 2
- Curved peninsula extending southwest of Detroit Flats Day Use Area
- Approximately 2400’ x 120’
- Creates a new destination for visitors
- Access for pedestrian, non-boating, and boating activities
- New fishing access
- Pedestrian access to existing island
Alternative 3
- Island approximately 1200’ x 300’
- Creates more isolated space for tranquil activities
- Smallest footprint with least impact to existing views
- Least human disturbance to habitat
- Potential non-motor vessel and day-use area
- Removes hazard of current shallow island
Alternative Comparisons
Views / aesthetics
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This is a paragraph. Writing in paragraphs lets visitors find what they are looking for quickly and easily.
Alternative 1
- Views of vegetated peninsula for some homes on Santiam Ave.
Alternative 2
- Views of vegetated peninsula to the south for some homes on Santiam Ave.
Alternative 3
- Fewest changes to views
- Smallest footprint
- Vegetated
Environment / habitat
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This is a paragraph. Writing in paragraphs lets visitors find what they are looking for quickly and easily.
Alternative 1
- Most bird habitat potential
- Potential fish habitat improvements due to vegetation
Alternative 2
- Less vegetation and habitat potential compared to Alternative 1
Alternative 3
- Least human disturbance to habitat
- Less habitat potential compared to Alternative 1
Recreation / access
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This is a paragraph. Writing in paragraphs lets visitors find what they are looking for quickly and easily.
Alternative 1
- Pedestrian access trail extension from via Kane’s Marina
- Limited day use picnic areas
- New fishing access
Alternative 2
- Pedestrian access via trail extension from Detroit Flats Day Use Areas
- Beach access and activities for non-boat owners
- New fishing access
- Pedestrian access to existing island
Alternative 3
- Potential for boat access
- Potential for dedicated non-motor vessel day-use areas
Lake navigation
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This is a paragraph. Writing in paragraphs lets visitors find what they are looking for quickly and easily.
Alternative 1
- Improved definition of safe boating channels
Alternative 2
- Preserves existing boat channels
Alternative 3
- Removes hazard of current shallow island
- Preserves existing boat channels
Cost
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This is a paragraph. Writing in paragraphs lets visitors find what they are looking for quickly and easily.
Alternative 1
- Anticipated lowest construction cost
Alternative 2
- Anticipated highest cost alternative
Alternative 3
- Slightly less than Alternative 2
- Higher cost than Alternative 1
Construction feasibility
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This is a paragraph. Writing in paragraphs lets visitors find what they are looking for quickly and easily.
Alternative 1
- Simplest to construct
Alternative 2
- Technically feasible with construction access
- Requires temporary roads for construction
Alternative 3
- Technically feasible with construction access challenges (less than Alternative 2)
- Requires temporary roads for construction
Challenges
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Alternative 1
- Views of state park may be reduced by vegetation
- Fewer recreation opportunities
- Exposed to boat wakes
Alternative 2
- No challenges noted
Alternative 3
- Less access for pedestrians at full pool depth
